+ TechType = getResourceOrNull(graph, URIs.TechType);
+ TechType_TechTypeTable = getResourceOrNull(graph, URIs.TechType_TechTypeTable);
+ TechType_TechTypeTable_HasComponentType = getResourceOrNull(graph, URIs.TechType_TechTypeTable_HasComponentType);
+ TechType_TechTypeTable_HasData = getResourceOrNull(graph, URIs.TechType_TechTypeTable_HasData);
+ TechType_TechTypeTable_HasData_Inverse = getResourceOrNull(graph, URIs.TechType_TechTypeTable_HasData_Inverse);